By default the wordpress editor does not allow some tags and will strip them out. Adding this snippet to the functions.php of your wordpress theme will enable you to use HTML tags like iframe, name, class etc…

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WPSNIPP Was founded in 2010 by Kevin Chard and is a free resource dedicated to WordPress covering a wide range of topics. With over 640+ WordPress snippets, we also have tutorials, plugins, gallery and deals to enhance all aspects of your WordPress theme or blog.